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Lines ending with either CRLF (\x0d\x0a) or LF (\x0a) are usually fine, even when mixed in the same source file. Lines ending with CR (most commonly Mac OS 9 and earlier, or just plain broken source code) will be seen as one line.

The following produces the same output for me on both Linux (5.18) and Windows (Strawberry 5.16):

use 5.010; use warnings; use autodie; for (qw<CRLF LF CR>) { say "Testing with $_ line endings:"; open my $perl, '|-', 'perl'; select $perl; local $\ = $_ eq 'CRLF' ? "\x0d\x0a" : $_ eq 'CR' ? "\x0d" : "\x0 +a"; print 'use strict;'; print 'use warnings;'; print 'print "This is line ", __LINE__, "\n\n";'; close $perl; select STDOUT; }

To see the line endings in a file, use a hex editor, or this:

use File::Slurp; $_ = read_file($ARGV[0] // $0); s/<(CR|LF)>/\\<$1\\>/g; # "Escape" existing s/\x0d/<CR>/g, s/\x0a/<LF>/g; s/((?:<CR>)?<LF>)/$1\n/g; # Add real line breaks say;

The only other thing I can think of is possibly a source filter, but if you are getting those results on a 5-line test with no source filter, scratch that.


In reply to Re: Bad line numbers .. bad! by rjt
in thread Bad line numbers .. bad! by phramus

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